[c-nsp] Use "plain old IP" for non-VRF traffic?

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Thu Feb 5 09:11:36 EST 2009


Phil Mayers <mailto:p.mayers at imperial.ac.uk> wrote on Thursday, February
05, 2009 14:36:

> Oliver Boehmer (oboehmer) wrote:
>> Phil Mayers <> wrote on Thursday, February 05, 2009 14:09:
>> 
>>> We have an MPLS L3VPN-based network, and I want to use plain-old
>>> IPv4 (no labels) for the non-VRF traffic.
>>> 
>>> The reason I want to do this is we're seeing a bug related to
>>> VACL-capture - packets whose next-hop is a label-imposition are not
>>> captured. I'm going to deal with that separately via TAC, but we
>>> need the VACL capture to work ASAP.
>> 
>> unless you are using BGP to carry IPv4 (plain old) prefixes, you can
> 
> Sadly, we are doing that.

Well, then I don't know any other solution than using a different BGP
next-hop for vpnv4 and for ipv4, and restrict label advertisement to the
vpnv4 next-hop. 

	oli


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